1. put 6 on each side of the scale to get the heavier side
: R) `2 K. H/ E, t/ K$ W. f5.39.217.762. take off any two balls from the more heavier side (among 6 balls) and put 2 on each side of the scale to weigh and get the heavier side(which are 2 balls) {if at this moment the scale is balanced, then weigh the 2 balls which we took out before} {if at this moment the scale is not balanced, then go 3}5.39.217.76) _+ n+ }$ r7 k/ R( q- r
3. put one on each side to weigh and get the heavier one. |